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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Propane nitrile can be prepared by heating ____________ - Chemistry

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प्रश्न

Propane nitrile can be prepared by heating ____________

पर्याय

  • ethyl bromide with alcoholic KCN

  • propyl bromide with alcoholic KCN

  • ethyl bromide with alcoholic AgCN

  • propyl bromide with alcoholic AgCN

MCQ
रिकाम्या जागा भरा

उत्तर

ethyl bromide with alcoholic KCN

Explanation:

\[\ce{\underset{\text{Ethyl bromide}}{CH3CH2Br}->[Alc.KCN,\Delta][-H2O]\underset{\text{Propane nitrile}}{CH3CH2CN}}\]

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पाठ 10: Halogen Derivatives - Multiple choice questions

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 10 Halogen Derivatives
Multiple choice questions | Q 5

संबंधित प्रश्‍न

from the following pair would undergo SN2 faster from the other?

a.     b.


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\[\ce{CH3 - CH = CH2 ->[HBr][peroxide] A ->[alc. KOH] B}\]


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Distinguish between SN1 and SN2 mechanism of substitution reaction.


Convert the following:

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\[\ce{\underset{\text{(I)}}{CH3 - CH2 - CH2 - Cl}}\]

\[\ce{\underset{\text{(II)}}{CH3 - CH(Cl) - CH3}}\]

\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3-C-Cl}\phantom{...}\\
|\\
\ce{CH3}\\
\ce{(III)}
\end{array}\]


In alkaline hydrolysis of tertiary butyl bromide, ____________.


Which of the following is least reactive towards SN1 reactions?


Which of the following is least reactive towards nucleophilic addition?


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\[\ce{NO2_{(g)} + F2_{(g)} -> NO2F_{(g)} + F_{(g)} (slow)}\]

\[\ce{F_{(g)} + NO2_{(g)} -> NO2F_{(g)} (fast)}\]

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\[\ce{C6H5CH2Cl + KCN(alc) -> X + Y}\]

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\[\ce{But-1-ene ->[HBr][Peroxide] A ->[AgCN][\Delta] B}\]


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Complete the following reaction giving major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{...............}\\
|\phantom{..................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether]A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]


Complete the following reaction giving major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl->[Na/ dry ether]A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{................}\\
\end{array}\]


Complete the following reaction giving major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}\\
\end{array}\]


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